ARXP1009 Equivalent & Substitute Parts

Part Overview

The ARXP1009 is a non-latching RF relay manufactured by Panasonic Electric Works, designed for 9VDC coil operation with SPDT contact configuration and 500mA contact rating. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system support and new design implementations. The relay operates across industrial temperature ranges and features gold-plated contacts suitable for RF applications.

Key Parameters

Parameter	Value
Coil Voltage	9VDC
Coil Current	22.2 mA
Contact Form	SPDT (1 Form C)
Contact Rating (Current)	500 mA
Switching Voltage	30VDC - Max
Must Operate Voltage	6.75 VDC
Must Release Voltage	0.9 VDC
Operate Time	10 ms
Release Time	6 ms
Operating Temperature	-40°C ~ 70°C
Contact Material	Gold Plating
Coil Power	200mW
Coil Resistance	405 Ohms
Mounting Type	Through Hole
Termination Style	PC Pin

Substitute Part Grouping Explanation

Substitution of the ARXP1009 is determined by the following critical parameters:

Coil Voltage Match: 9VDC operation is mandatory for direct circuit compatibility without modification
Contact Form: SPDT (1 Form C) configuration must be maintained for signal routing equivalence
Voltage Threshold Parameters: Must Operate Voltage (6.75 VDC) and Must Release Voltage (0.9 VDC) establish functional operating windows
Contact Rating: Minimum 500mA current handling capability required for load compatibility
Switching Voltage: Maximum 30VDC switching capability defines circuit voltage limits
Timing Characteristics: Operate and Release times establish response requirements for system timing
Temperature Range: Operating temperature envelope must accommodate application environment
Contact Material: Gold plating specification for RF signal integrity

The substitute part 1462051-3 (TE Connectivity Potter & Brumfield HF3/AXICOM series) meets these substitution criteria with enhanced electrical performance characteristics.

Parameter Comparison

Parameter	ARXP1009 (Panasonic)	1462051-3 (TE Connectivity)	Compatibility
Coil Voltage	9VDC	9VDC	Match
Coil Current	22.2 mA	15.7 mA	Compatible (lower draw)
Contact Form	SPDT (1 Form C)	SPDT (1 Form C)	Match
Contact Rating (Current)	500 mA	2 A	Compatible (higher rating)
Switching Voltage	30VDC - Max	250VAC, 220VDC - Max	Compatible (higher rating)
Must Operate Voltage	6.75 VDC	6.75 VDC	Match
Must Release Voltage	0.9 VDC	0.9 VDC	Match
Operate Time	10 ms	5 ms	Compatible (faster response)
Release Time	6 ms	5 ms	Compatible (faster response)
Operating Temperature	-40°C ~ 70°C	-55°C ~ 85°C	Compatible (wider range)
Contact Material	Gold Plating	Silver (Ag), Gold (Au)	Compatible
Coil Power	200mW	140mW	Compatible (lower power)
Coil Resistance	405 Ohms	574 Ohms	Compatible
Mounting Type	Through Hole	Surface Mount	Different (PCB layout modification required)
Termination Style	PC Pin	Gull Wing	Different (soldering method differs)

Engineering Selection Recommendations

The 1462051-3 substitute provides functional equivalence to the ARXP1009 with the following considerations:

Electrical Compatibility: All critical coil and contact parameters align with or exceed ARXP1009 specifications. The substitute demonstrates superior contact current rating (2A vs 500mA) and switching voltage capability (220VDC vs 30VDC), providing design margin for load variations.

Operational Characteristics: Faster switching times (5ms operate/release vs 10ms/6ms) represent improved response performance. Voltage threshold parameters (Must Operate and Must Release) are identical, ensuring equivalent circuit behavior.

Environmental Performance: The 1462051-3 operates across -55°C to 85°C, exceeding the ARXP1009 range of -40°C to 70°C, suitable for extended temperature applications.

Product Status: The ARXP1009 is obsolete; the 1462051-3 is active production status with RoHS3 compliance and established supply chain availability.

Physical Integration: The substitute requires PCB layout modification due to surface mount (Gull Wing) termination versus through-hole (PC Pin) mounting. Assembly process changes from wave soldering to reflow soldering are necessary.

Frequently Asked Questions (FAQ)

Q: Can the 1462051-3 directly replace the ARXP1009 without circuit modification?

A: Electrical substitution is valid. The 1462051-3 meets all coil voltage, contact configuration, and voltage threshold requirements. However, physical integration requires PCB redesign due to different mounting types (surface mount vs through-hole) and termination styles (Gull Wing vs PC Pin).

Q: What is the significance of the different coil current ratings (22.2mA vs 15.7mA)?

A: The 1462051-3 requires lower coil current for actuation, reducing power supply load and heat generation. This represents improved efficiency and is compatible with existing 9VDC supply circuits.

Q: Are the contact materials equivalent for RF applications?

A: Both parts feature gold-based contact materials suitable for RF signal integrity. The 1462051-3 combines silver and gold plating, maintaining RF performance characteristics of the ARXP1009.

Q: How do the timing differences affect system operation?

A: The 1462051-3 operates faster (5ms vs 10ms operate time, 5ms vs 6ms release time). For applications with strict timing requirements, verification of system tolerance to faster switching is necessary.

Q: What assembly considerations apply to the 1462051-3?

A: The surface mount Gull Wing termination requires reflow soldering processes and SMT assembly equipment, differing from through-hole wave soldering used for the ARXP1009. PCB footprint design must accommodate the different package geometry.

Q: Is the 1462051-3 suitable for temperature-critical applications?

A: The operating range of -55°C to 85°C exceeds the ARXP1009 specification of -40°C to 70°C, providing broader environmental compatibility for extended temperature applications.

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